Written by Ryan Mitchell· Reviewed by Mark Rylance· Published 9 February 2026 · Updated 8 May 2026 · 3 min read
Retrigger slots let a bonus round refresh itself, adding extra Free Spins when the right symbols land again. Across 310 titles here, the appeal is longer feature time and a steadier flow of small, regular returns.
Retrigger describes the moment a bonus round extends itself. Land the trigger symbols again during Free Spins and you gain more spins on top of what you already have. Some studios call it a re-trigger or a spin top-up, but the idea is identical across providers.
Popularity comes down to feature length. A retrigger keeps you inside the bonus longer, and for anyone who likes a gentle variance profile, that means more chances for modest wins to land often enough to stay in the game. I tend to favour it precisely because the balance drifts slowly rather than lurching about.
How the mechanic works
A base game triggers Free Spins on three or more Scatter symbols. During those spins, hitting the same Scatters again awards an extra batch, often the same count as the initial trigger. There is usually no cap on Play'n GO and Microgaming titles, so the round can chain several times if the reels cooperate.
Standout slots to test
For frequent retriggers with a forgiving hit rate, Book of Dead from Play'n GO is the obvious starting point, though its variance sits higher than I would call low. For steadier pacing I lean on Starburst and Blood Suckers, both from NetEnt, where the swings stay shallow and dry spells are rare.
Immortal Romance and Thunderstruck II by Microgaming stack retriggers well and keep the round ticking over. From Pragmatic Play, Wolf Gold offers a max win near 2,500x with regular top-ups rather than one big hit. I also rate Rainbow Riches for its gentle, drip-feed returns during the feature.
Effect on RTP and variance
Average RTP across this category sits at 96.24%, a touch above the 96% baseline most players expect. A retrigger does not change the theoretical return; it simply spreads the feature payout over more spins. That extra length is what smooths out the ride and keeps stake pressure low across a session.
Where the mechanic really helps is bankroll preservation. Frequent low-multiplier hits during an extended round mean fewer gut-wrenching drawdowns to sit through. The catalogue average max win of 11,092x is skewed by a handful of extreme outliers, so I would not chase that figure; the calmer titles here trade top-end reach for a smooth, lasting run.
FAQ
On how many slots is the Retrigger feature available?
This category currently holds 310 titles. It is one of the more common bonus mechanics, so you will find it across a wide spread of providers and themes.
What is the average RTP for Retrigger slots?
The average sits at 96.24%, slightly above the 96% mark most players use as a benchmark. Individual titles vary, so check the paytable of each game before you play.
Which providers offer Retrigger slots?
Play'n GO, Microgaming and Pragmatic Play lead the field. Titles like Book of Dead and Immortal Romance are among the best-known examples.
Can you play Retrigger slots for free?
Yes. Free demos run in play-money mode with no sign-up needed, which lets you see how often the feature chains before you stake real money.
Are Retrigger slots good for a long session?
They suit longer sessions well. The extended Free Spins deliver a steady drip-feed of returns, keeping the balance ticking over and easing pressure on your bankroll.
All our content is written by our editorial team and checked before publication. We play the games ourselves, verify licences and withdrawal terms, and update every review as soon as something changes.
Under the supervision of Editor-in-Chief Mark Rylance
